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@@ -891,6 +891,7 @@ I spend a lot of time on internet, losing myself in lot of topics. I choose GitH
 * [Alex Ellis](https://blog.alexellis.io/you-need-to-know-kubernetes-and-swarm/) - (2017) What you need to know: Kubernetes and Swarm
 * [moby/buildkit](https://github.com/moby/buildkit) - concurrent, cache-efficient, and Dockerfile-agnostic builder toolkit
 * [Docker Community](https://www.docker.com/community/docker-captains) - Docker Captains
+* [Stack Overflow](https://stackoverflow.com/a/47965269/2309958) - Docker - Cannot remove dead container | `rm: cannot remove /var/lib/docker/overlay/<hash>/merged: Device or resource busy` Solution : grep <hash> /proc/*/mountinfo then find the pid of <hash> and kill it
 
 ## ChatOps
 * [nixCraft](https://www.cyberciti.biz/open-source/awesome-chatops-foss-software-for-conversation-driven-development-management/) - 7 Awesome ChatOps Open Source Software For Conversation-driven Development and Management
@@ -3676,6 +3677,7 @@ Raw
 * [Jeff Jones](http://outofmyhead.olssonandjones.com/2017/12/02/wget-cant-execute-ssl_helper/) - (2017) `wget: can't execute 'ssl_helper': No such file or directory wget: error getting response: Connection reset by peer` | error happening in alpine container 3.5.2. **Bonus** : seem to be as design... see [docker-library/busybox/issues/25](https://github.com/docker-library/busybox/issues/25)
 * [Ask Ubuntu on Stack Exchange](https://askubuntu.com/questions/631077/problem-with-deluge-no-incoming-connection) - Problem with Deluge: “no incoming connection!”
 * [Mike Swieton](https://spin.atomicobject.com/2018/01/27/debugging-complex-problems/) - (2018) Debugging a Complex Problem? Think Like an Epidemiologist
+* [Stack Overflow](https://stackoverflow.com/a/47965269/2309958) - Docker - Cannot remove dead container | `rm: cannot remove /var/lib/docker/overlay/<hash>/merged: Device or resource busy` Solution : grep <hash> /proc/*/mountinfo then find the pid of <hash> and kill it
 
 # UX / UI
 * [Kevin Marks](https://backchannel.com/how-the-web-became-unreadable-a781ddc711b6) - How the Web Became Unreadable